Device for supporting crank-shafts



(No Model.)

G. S. STRONG.

DEVICE FOR SUPPORTING CRANK SHAFTS. No. 497,357. Patented May 16, 1893.

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THE NORRIS PETERS 0)., mmxuma, wasflmmou n c UNITED STATES PATENTOFFICE.

GEORGE S. STRONG, OF NEW YORK, N. Y., ASSIGNOR TO JAMES N. GAMBLE,

- OF DAYTONA, FLORIDA.

D EVICEFOR SUPPORTING CRANK-SHAFTS.

SPECIFICATION forming part of Letters Patent No. 497,357, dated May 16,1893.

Application filed April 22,1892. Serial No. 430,189. (No model.)

To all whom it may concern; 7

Be it known that I, GEORGE S. STRONG, of the city, county, and State ofNew York,have invented a certain new and useful Improved Device forSupporting Orank-Shafts,of which the following is a true and exactdescription, reference being had to the accompanying drawings, whichform a part of this specification.

My invention relates to devices for su p porting the crank-shafts ofsteam engines; having ing for its object to facilitate the adjustmentand removal of such shafts.

The nature of my invention will be best understood as described inconnection with the drawings in which it is illustrated, and in which-Figure 1 is a side elevation of a portion of an engine frame embodyingmy improvement, and Fig. 2 a front elevation partlyin section on theline 12 of Fig. 1.

A is the frame of the engine, in the sides of which 1 form circularopenings B B of a diameter greater than the length of the crank andcounterbalance to be used upon the crankshaft. The openings B should bebrought to a determined diameter in a boring mill.

0 O, &c., are pedestals adapted to support the crank-shaft F, and havingtheir bases 0 turned to a circular arc and adapted to fit neatly againstthe edge of the openings B. here the opposite openings'B do not form asufficient support for the crank-shaft, a supporting block D may be usedplaced midway between the openings B B, and having its face D bored outto the form of a circular arc of a circle of the same diameter as thatof the circular openings B B. Pedestal (J having the form described, canthen be supported on this bearing block as sho wn in Fig. 2 of thedrawings. The pedestals are secured in place by means of bolts E E, &c.,as indicated in the drawings, the pedestals 0 having their bases 0 ofthe flanged form shown and the portion of the rim of the circularopenings B upon which the pedestals rest being also flanged as shown sothat the bolts E can pass through the abutted flanges.

me to insert and remove the shaft very readily; but it also secures avery perfect alignment of the shaft as will be readily seen.

While of course, I prefer to support the.

shaft at both ends on pedestals, which in turn are secured in circularopenings B, it will be seen that the object of my invention will belargely obtained by providing only one opening B, and supporting one endof the shaftin these openings, and the other end in the usual way.

Having now described my invention, what I claim as new, and desire tosecure by Letters Patent, is-

1. The combination of an engine frame having a circular opening B ofgreater radius than that of the crank in its side, a pedestal 0partially filling the opening B and having a base O turned to a circularare adapted to seat on and be secured to the edge of opening B, and acrank shaft F supported on said pedestal and having a crank or cranks Gadapted to pass through opening B.

2. The combination of an engine frame having circular openings B B onopposite sides, a bearing block D with its upper face turned to the samecurve as said openings, pedestals C of a size to partially fill theopenings B and. having their bases C turned to a circulararc adapted toseat on and be secured to the edges of openings B and block D andacrankshaft F supported on said pedestals.

GEORGE .S. STRONG.

Witnesses:

FRANCIS B. ANTZ, FRANCIS T. CHAMBERS.-

